Network address
2001:1900:5:1:fff9::
Full
2001:1900:0005:0001:fff9:0000:0000:0000
Prefix length
81
Range
2001:1900:5:1:fff9:: - 2001:1900:5:1:fff9:7fff:ffff:ffff
Number of hosts
140,737,488,355,328
Parent subnet
2001:1900:5:1:fff9::/80🔍
Previous subnet
2001:1900:5:1:fff8:8000::/81🔍
Next subnet
2001:1900:5:1:fff9:8000::/81🔍